题目
题目

22803 Quantitative Skills in Accounting and Finance - Autumn 2025 Quiz 4

单项选择题

Salary information regarding two independent random samples of male and female employees of a large company is shown below.   Male Female Sample size 64 99 Sample mean salary (in $1000s) 440 410 Population variance 888 999   The standard error for the difference between the two means is _____.

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思路分析
The problem asks for the standard error (SE) of the difference between two independent means, using population variances (not sample variances) for each group. First, identify the formula for independent samples with known population varian......Login to view full explanation

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Calculate The Standard Error Term: Sample Size Group 1  =  19 Sample Size Group 2 = 16  Standard Deviation Group 1  = 4.2 Standard Deviation Group 2 = 5.5 Sample Mean Group 1 = 41.9 Sample Mean Group 2 = 43.5  

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